Setting up FTP server with NO-IP, BulletProof Server and SmartFTP

Hello i want some help about setting up my ftp server. First of all i've already installed all useful programms (NO-IP, BulletProof server and SmartFTP) and i've made 2 accounts for them (NO-IP, BulletProof server). The problem is when im going to connect with the server from SmartFTP the connection always fails. i put normaly the host name and the username-password in SmartFTP that i took from NO-IP. I think that something going wrong with the BulletProof Server. if anyone knows how i can fix it i would apreciate to help me soon. thank you!!!!!